Is it easy to personalize the site and make it my own and make it slightly different?

You can yes.You recieve all the code and images to the site. None of it is restricted in...

 What is the difference between the packages. Why are they a different price?

The underlying ecommerce software we use to run the shops is the same. The difference is price is...

 Am I right in thinking the products are preinstalled on the site, with all the prices, descriptions and pictures, and are theses updated automatically or is there something I need to do, if so how easy is that?

Yes these are all built in and ready to trade. You will need the Stock Manger Module to add...

 When a customer checks out on my shop, who do they pay?

Your customer will pay you directly, via the payment provider you have set up - you can configure...

 Can you change the colours on the template for me?

I am afraid we dont offer any bespoke services in house for making changes to the template but...